#title {
    color: red;
    font-size: 23px;
    text-align: center;
}

#hero {
    background-image: url('../imgs/tangsan.png');
    background-size: 100% 100%;
    width: 355px;
    height: 297px;
}

#serven{
    background-image: url('../imgs/serven.jpg');
    background-size: 100% 100%;
    width: 658px;
    height: 370px;
}